Home / 275,333.19-380,067.84-195,179.64

Finding the Fourth Proportional to 275,333.19, 380,067.84 and 195,179.64

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Solution

The fourth proportional to 275,333.19, 380,067.84 and 195,179.64 is: 269,424.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,333.19 : 380,067.84 = 195,179.64 : x
  2. Step 2: Convert to fraction form
    275,333.19/380,067.84 = 195,179.64/x
  3. Step 3: Cross multiply
    275,333.19x = 380,067.84 × 195,179.64
  4. Step 4: Simplify right side
    275,333.19x = 74,181,504,186.78
  5. Step 5: Solve for x
    x = 74,181,504,186.78/275,333.19
  6. Step 6: Final answer
    x = 269,424.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.